US PATENT SUBCLASS 502 / 306
.~.~.~ And Group II metal containing (i.e., alkaline earth, Be, Mg, Zn, Cd or Hg)

Current as of: June, 1999
Click HD for Main Headings
Click for All Classes

Internet Version by PATENTEC © 1999      Terms of Use


502 /   HD   CATALYST, SOLID SORBENT, OR SUPPORT THEREFOR: PRODUCT OR PROCESS OF MAKING

100  DF  CATALYST OR PRECURSOR THEREFOR {12}
300  DF  .~ Metal, metal oxide or metal hydroxide {10}
305  DF  .~.~ Of Group VI (i.e., Cr, Mo, W or Po) {8}
306.~.~.~ And Group II metal containing (i.e., alkaline earth, Be, Mg, Zn, Cd or Hg) {1}
307  DF  .~.~.~.~> Zinc

DEFINITION

Classification: 502/306

And Group II metal containing (i.e., alkaline earth, Be, Mg, Zn, Cd or Hg):

(under subclass 305) Composition which additionally includes an alkaline earth metal, Be, Mg, Zn, Cd, or Hg.